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Gardner Denver
Air Compressor
EAH99C
Gardner Denver EAH99C User Manual
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13-9-663
Version: 02
June 15, 2009
ELECTRA SCREW
ELECTRA-SAVER
ELECTRA-SAVER II
STATIONARY BASE-MOUNTED
COMPRESSOR
AUTO SENTRY
®
-- ES+ CONTROLS
EAH99C, EBH99G - 40, 50 HP
EAM99C, EBM99K - 60, 75 HP
ERH99E, EAP99J, EBP99J - 100 HP
INTERNATIONAL MODELS
EBM99L 60, 75, 100 HP (45, 56, 75 KW)
OPERATING AND
SERVICE MANUAL
2
Table of Contents
Maintain Compressor Reliability and Performance with Genuine Gardner Denver Compressor Parts and Support Services
2
Instructions for Ordering Repair Parts/Remanufactured Airends
2
Warning - Prohibition - Mandatory Label Information
3
Safety Precautions
5
Table of Contents
6
Index
7
List of Illustrations
9
Section 1, General Information
10
Figure 1-1 - Compression Cycle
10
Figure 1-2 - Starter Box
11
Figure 1-3 - Control Box
11
Figure 1-4 - Compressor / Motor Side
12
Figure 1-5 - Cooler / Reservoir Side
12
Figure 1-6 - Air/Oil Flow Diagram
13
Section 2, Installation
14
Figure 2-1 - Typical Compressor Room
15
Figure 2-2 - Air Flow Chart
15
Figure 2-3 - Cold Weather Installation
17
Figure 2-4 - Inlet Line Lengths
18
Figure 2-5 - Heat Exchanger (Oil Cooler) Approximate Water Flow
19
Figure 2-6 - Aftercooler Approximate Water Flow
20
Figure 2-7 - Series Piping
21
Figure 2-8 - Parallel Piping
21
Section 3, Starting & Operating Procedures
24
Section 4, Controls & Instrumentation
27
Figure 4-1 - Schematic Tubing Diagram
28
Figure 4-2 - Blowdown Valve
29
Figure 4-3 - Minimum Discharge Pressure/Check Valve
29
Figure 4-4 - Inlet Valve
30
Figure 4-5 - Shuttle Valve
31
Figure 4-6 - Turn Valve - Electra-Saver Only
32
Figure 4-7 - Control Schematic - Compressor Unloaded - Constant Speed Mode
35
Figure 4-8 - Control Schematic - Compressor at Full Load - Constant Speed Mode
36
Figure 4-9 - Control Schematic - Compressor Unloaded - Low Demand Mode or Auto Mode
37
Figure 4-10 - Control Schematic - Compressor at Full Load
38
Figure 4-11 - Control Schematic - Compressor Fully Unloaded - Low Demand Mode Switch off
39
Figure 4-12 - Control Schematic - Compressor Fully Loaded - Low Demand Mode Switch on
40
Figure 4-13 - Wiring Diagram - Wye Delta
41
Figure 4-14 - Wiring Diagram - Full Voltage
42
Figure 4-15 - Wiring Diagram - Wye Delta
43
Figure 4-16 - Wiring Diagram - Full Voltage
44
Section 5, Lubrication, Oil Cooler, Oil Filter & Separator
45
Figure 5-1 - Dew Point Chart °F
47
Figure 5-2 - Dew Point Chart °C
47
Figure 5-3 - Flow Diagram - Air/Oil System
48
Figure 5-4 - Oil Flow Diagram - Remote Overhead Mounted Cooler
49
Figure 5-5 - Cooler Drain Detail
50
Figure 5-6 - Oil Level Gauge
53
Figure 5-7 - Oil Change Interval
54
Figure 5-8 - Approximate Oil System Capacities
55
Figure 5-9 - Thermostatic Mixing Valve Element
57
Figure 5-10 - Water Control Valve
58
Figure 5-11 - Dew Point Temperature Vs. Ambient Temperature
59
Figure 5-12 - Oil Separator
60
Section 6, Air Filter
64
Figure 6-1 - Heavy Duty Air Filter
64
Section 7, Coupling
66
Figure 7-1 - Installation of Coupling Cushions
66
Section 8, Maintenance Schedule
69
Section 9, Troubleshooting
71
4
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Gardner Denver EAH99C Specifications
General
Brand
Gardner Denver
Model
EAH99C
Category
Air Compressor
Language
English
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